package com.zzyl.serve.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.common.constant.CacheConstants;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.serve.domain.NursingLevel;
import com.zzyl.serve.mapper.NursingLevelMapper;
import com.zzyl.serve.service.INursingLevelService;
import com.zzyl.serve.vo.NursingLevelVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 护理等级Service业务层处理
 * 
 * @author ruoyi
 * @date 2025-05-15
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper,NursingLevel>  implements INursingLevelService
{
    @Autowired
    private NursingLevelMapper nursingLevelMapper;

    /**
     * 查询护理等级
     * 
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id)
    {
        return this.getById(id);
    }

    /**
     * 查询护理等级列表
     * 
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevel> selectNursingLevelList(NursingLevel nursingLevel)
    {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel)
    {
        //删除缓存
        removeCache();
        return this.save(nursingLevel) ? 1 : 0;
    }

    /**
     * 修改护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel)
    {
        //删除缓存
        removeCache();
        return this.updateById(nursingLevel) ? 1 : 0;
    }

    /**
     * 批量删除护理等级
     * 
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids)
    {
        //删除缓存
        removeCache();
        return this.removeByIds(Arrays.asList(ids)) ? ids.length : 0;
    }

    /**
     * 删除护理等级信息
     * 
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id)
    {
        //删除缓存
        removeCache();
        return this.removeById(id) ? 1 : 0;
    }

    @Autowired
    private StringRedisTemplate redisTemplate;

//    /**
//     * 查询全部护理等级
//     *
//     * @return
//     */
//    @Override
//    public List<NursingLevelVo> selectAll() {
//        //1. 从Redis缓存中查询护理等级数据
//        List<String> stringList = redisTemplate.opsForList().range(CacheConstants.NURSING_LEVEL_LIST_KEY, 0, -1);
//
//        List<NursingLevelVo> nursingLevelVoList = null;
//        if(CollUtil.isNotEmpty(stringList)) {
//            nursingLevelVoList = stringList.stream().map(x -> {
//                return JSON.parseObject(x, NursingLevelVo.class);
//            }).collect(Collectors.toList());
//        }
//
//        //2. 如果没查询到，则查询护理等级表中的全部数据
//        if(CollUtil.isEmpty(nursingLevelVoList)) {
//            //查询全部可用的护理等级
//            List<NursingLevel> nursingLevelList = this.lambdaQuery()
//                    .eq(NursingLevel::getStatus, 1).list();
//            if(CollUtil.isEmpty(nursingLevelList)){
//                return new ArrayList<>();
//            }
//
//            //遍历进行数据转换，将表的实体对象转为VO对象
//            nursingLevelVoList = nursingLevelList.stream().map(x -> {
//                NursingLevelVo vo = new NursingLevelVo();
//                BeanUtils.copyProperties(x, vo);
//                //3. 将每条数据转为JSON字符串存入缓存
//                redisTemplate.opsForList().leftPush(CacheConstants.NURSING_LEVEL_LIST_KEY,JSON.toJSONString(vo));
//                return vo;
//            }).collect(Collectors.toList());
//        }
//
//        //4. 返回数据
//        return nursingLevelVoList;
//    }

    /**
     * 删除缓存中的护理等级列表全部数据
     */
    private void removeCache(){
        redisTemplate.delete(CacheConstants.NURSING_LEVEL_LIST_KEY);
    }

    /**
     * 查询全部护理等级
     *
     * @return
     */
    @Override
    public List<NursingLevelVo> selectAll() {
        //1. 从Redis缓存中查询护理等级数据
        String nursingLevelVoListJSON = redisTemplate.opsForValue().get(CacheConstants.NURSING_LEVEL_LIST_KEY);

        List<NursingLevelVo> nursingLevelVoList = null;
        if(StringUtils.isNotBlank(nursingLevelVoListJSON)) {
            nursingLevelVoList =  JSON.parseArray(nursingLevelVoListJSON, NursingLevelVo.class);
        }

        //2. 如果没查询到，则查询护理等级表中的全部数据
        if(CollUtil.isEmpty(nursingLevelVoList)) {
            //查询全部可用的护理等级
            List<NursingLevel> nursingLevelList = this.lambdaQuery()
                    .eq(NursingLevel::getStatus, 1).list();
            if(CollUtil.isEmpty(nursingLevelList)){
                return new ArrayList<>();
            }

            //遍历进行数据转换，将表的实体对象转为VO对象
            nursingLevelVoList = nursingLevelList.stream().map(x -> {
                NursingLevelVo vo = new NursingLevelVo();
                BeanUtils.copyProperties(x, vo);
                return vo;
            }).collect(Collectors.toList());

            // 将全部护理等级vo列表数据转为JSON字符串，存入Redis缓存
            redisTemplate.opsForValue().set(CacheConstants.NURSING_LEVEL_LIST_KEY, JSON.toJSONString(nursingLevelVoList));
        }

        //4. 返回数据
        return nursingLevelVoList;
    }
}
